import { afterEach, describe, expect, it, vi } from "vitest";
import { mkdtemp, readFile, rm } from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import type { MatrixExecution } from "./types.js";
import { prepareChatRemoteHost, selectsRemoteChat } from "./chat-remote-host.js";
import { dockerCommandDiagnostic, DockerCommandError, POSTGRES_AMD64_IMAGE, POSTGRES_AMD64_IMAGE_IDS, POSTGRES_VERSION } from "./docker-postgres.js";
import { CHAT_OPENCODE_MODEL } from "./chat-runtime-profile.js";
const roots: string[] = [];
afterEach(async () => { await Promise.all(roots.splice(0).map(root => rm(root, { recursive: true, force: true }))); });
async function fixture(lifecycle = "spot") {
  const root = await mkdtemp(path.join(os.tmpdir(), "remote-host-offline-")); roots.push(root);
  const execution = { id: "chat-features.runner-opencode.local.create-backlog", suite: { id: "chat-features" }, profile: { id: "runner-opencode", provider: "opencode", model: CHAT_OPENCODE_MODEL, adapterType: "paperclip_runner", credential: "OPENROUTER_API_KEY" }, environment: { id: "local" }, task: { automaticRetryPolicy: "single_attempt" } } as unknown as MatrixExecution;
  const env = { GITHUB_ACTIONS: "true", GITHUB_REPOSITORY: "paperclipai/paperclip", GITHUB_REF: "refs/heads/master", GITHUB_WORKFLOW_REF: "paperclipai/paperclip/.github/workflows/runner-full-stack-e2e.yml@refs/heads/master", GITHUB_RUN_ID: "123", GITHUB_RUN_ATTEMPT: "1", PAPERCLIP_RUNNER_E2E_SOURCE_SHA: "a".repeat(40), OPENROUTER_API_KEY: "synthetic-private-canary" };
  const fetch = vi.fn(async (url: string | URL | Request) => {
    const u = String(url);
    if (u.endsWith("/api/token")) return new Response("synthetic-imds-token");
    if (u.endsWith("/instance-life-cycle")) return new Response(lifecycle);
    return Response.json({ instanceId: "i-1234567890abcdef0", imageId: "ami-1234567890abcdef0", region: "us-east-1", architecture: "x86_64", privateIp: "not-retained" });
  });
  const docker = vi.fn(async (args: string[]) => {
    if (args[0] === "context" && args[1] === "show") return "default";
    if (args[0] === "context") return JSON.stringify([{ Endpoints: { docker: { Host: "unix:///var/run/docker.sock" } } }]);
    if (args.includes("info")) return JSON.stringify({ id: "engine", os: "linux", operatingSystem: "Linux" });
    if (args.includes("pull")) return "downloaded";
    return JSON.stringify([{ Id: POSTGRES_AMD64_IMAGE_IDS[0], RepoDigests: [POSTGRES_AMD64_IMAGE], Os: "linux", Architecture: "amd64", Config: { Env: [`PG_VERSION=${POSTGRES_VERSION}`] } }]);
  });
  return { executions: [execution], env, repositoryRoot: root, outputDirectory: root, dependencies: { fetch: fetch as typeof globalThis.fetch, docker, platform: "linux", arch: "x64", sourceRevision: async () => "a".repeat(40) }, fetch, docker,
    receipt: async () => JSON.parse(await readFile(path.join(root, "chat-remote-host.json"), "utf8")) };
}
describe("remote-only chat host qualification without native/provider calls", () => {
  it("requires real Spot metadata before Docker and retains only closed source-bound host proof", async () => {
    const f = await fixture(); const policy = await prepareChatRemoteHost(f); const receipt = await f.receipt();
    expect(policy).toMatchObject({ databaseLane: "owned-docker-postgres", maxAutomaticRetries: 0, maxParallel: 2 });
    expect(receipt).toMatchObject({ status: "qualified-host-only", spotVerified: true, evaluationAdmitted: false, allocationSpotOnlyClaimed: false, sourceRevision: "a".repeat(40) });
    expect(JSON.stringify(receipt)).not.toMatch(/synthetic-private-canary|synthetic-imds-token|privateIp|not-retained/);
    expect(f.fetch.mock.calls.every(([url]) => String(url).startsWith("http://169.254.169.254/latest/"))).toBe(true);
    expect(f.fetch.mock.invocationCallOrder.at(-1)!).toBeLessThan(f.docker.mock.invocationCallOrder[0]!);
  });
  it("accepts the user-authorized fleet fallback while truthfully recording On-Demand", async () => {
    const f = await fixture("on-demand"); await prepareChatRemoteHost(f);
    expect(await f.receipt()).toMatchObject({ lifecycle: "on-demand", status: "qualified-host-only", spotVerified: false, hostPolicy: "aws-fleet-spot-or-on-demand", evaluationAdmitted: false });
    expect(f.docker).toHaveBeenCalled();
  });
  it.each(["", "unknown", "preemptible"])("refuses unproven host lifecycle %s before Docker", async lifecycle => {
    const f = await fixture(lifecycle); await expect(prepareChatRemoteHost(f)).rejects.toThrow("unknown-host-lifecycle-refused");
    expect(f.docker).not.toHaveBeenCalled(); expect(await f.receipt()).toMatchObject({ lifecycle, status: "blocked", evaluationAdmitted: false });
  });
  it.each(["local", "branch-workflow", "wrong-source", "wrong-model", "automatic-retry", "foreign-repository"])("fails closed on %s before metadata or Docker", async kind => {
    const f = await fixture();
    if (kind === "local") f.dependencies.platform = "darwin";
    if (kind === "branch-workflow") f.env.GITHUB_WORKFLOW_REF = "untrusted@refs/heads/branch";
    if (kind === "wrong-source") f.env.PAPERCLIP_RUNNER_E2E_SOURCE_SHA = "b".repeat(40);
    if (kind === "wrong-model") f.executions[0]!.profile.model = "other";
    if (kind === "automatic-retry") f.executions[0]!.task.automaticRetryPolicy = undefined;
    if (kind === "foreign-repository") f.env.GITHUB_REPOSITORY = "foreign/repository";
    await expect(prepareChatRemoteHost(f)).rejects.toThrow("trusted-github-linux-source-required"); expect(f.fetch).not.toHaveBeenCalled(); expect(f.docker).not.toHaveBeenCalled();
  });
  it("does not silently accept an incompatible PostgreSQL image/platform", async () => {
    const f = await fixture(); const original = f.dependencies.docker;
    f.dependencies.docker = vi.fn(async args => args.includes("image") ? JSON.stringify([{ Id: "other", Os: "linux", Architecture: "arm64" }]) : original(args));
    await expect(prepareChatRemoteHost(f)).rejects.toThrow("owned-linux-amd64-postgres-image-unqualified"); expect((await f.receipt()).evaluationAdmitted).toBe(false);
    expect(await f.receipt()).toMatchObject({ qualificationStage: "postgres-image-validate", imageChecks: { imageId: false, amd64: false, repositoryDigest: false }, observedImage: { imageId: null, architecture: "arm64" } });
  });
  it.each([
    ["context", "docker-engine", "Cannot connect to the Docker daemon", "docker-engine-unavailable"],
    ["pull", "postgres-image-pull", "toomanyrequests: registry rate limit", "registry-rate-limit"],
    ["image", "postgres-image-inspect", "unclassified synthetic-private-canary", "unknown-docker-command-failure"],
  ])("retains safe actual %s failure stage without raw Docker/private output", async (command, stage, stderr, category) => {
    const f = await fixture(), original = f.dependencies.docker;
    f.dependencies.docker = vi.fn(async args => {
      if (args.includes(command)) throw new DockerCommandError({ args, stdout: "synthetic-imds-token", stderr: `${stderr} synthetic-private-canary`, exitCode: 1, signal: null });
      return original(args);
    });
    await expect(prepareChatRemoteHost(f)).rejects.toThrow("owned-linux-amd64-postgres-image-unqualified");
    const receipt = await f.receipt();
    expect(receipt).toMatchObject({ evaluationAdmitted: false, qualificationStage: stage, failureDiagnostic: { category, exitCode: 1, signal: null } });
    expect(JSON.stringify(receipt)).not.toMatch(/synthetic-private-canary|synthetic-imds-token|stderr|stdout/);
  });
  it("records pull timeout without relaxing or retrying image qualification", async () => {
    const f = await fixture(), original = f.dependencies.docker;
    f.dependencies.docker = vi.fn(async args => { if (args.includes("pull")) throw new DockerCommandError({ args, stdout: "", stderr: "", exitCode: null, signal: "SIGTERM" }); return original(args); });
    await expect(prepareChatRemoteHost(f)).rejects.toThrow("owned-linux-amd64-postgres-image-unqualified");
    expect(await f.receipt()).toMatchObject({ qualificationStage: "postgres-image-pull", failureDiagnostic: { category: "command-timeout-or-termination" } });
    expect(f.dependencies.docker.mock.calls.filter(([args]) => args.includes("pull"))).toHaveLength(1);
  });
  it.each([
    ["ENOENT", "", "docker-command-missing"],
    [undefined, "denied: unauthorized", "registry-access-denied"],
    [undefined, "dial tcp: lookup registry: no such host", "registry-network-or-tls-failure"],
    [undefined, "manifest unknown", "image-manifest-unavailable"],
    [undefined, "no matching manifest for linux/amd64", "image-platform-unavailable"],
    [undefined, "permission denied while connecting to docker.sock", "docker-engine-unavailable"],
  ])("projects only closed Docker diagnosis %s/%s", (spawnCode, stderr, category) => {
    expect(dockerCommandDiagnostic(new DockerCommandError({ args: ["private-arg"], stdout: "", stderr, spawnCode, exitCode: null, signal: null }))).toEqual({ category, exitCode: null, signal: null });
  });
  it.each(["singleImage", "imageId", "linux", "amd64", "repositoryDigest", "postgresVersion"])("retains exact failed inspect predicate %s", async predicate => {
    const f = await fixture(), original = f.dependencies.docker;
    f.dependencies.docker = vi.fn(async args => {
      const output = await original(args);
      if (!args.includes("image")) return output;
      const rows = JSON.parse(output), image = rows[0];
      if (predicate === "singleImage") rows.push(image);
      if (predicate === "imageId") image.Id = `sha256:${"b".repeat(64)}`;
      if (predicate === "linux") image.Os = "windows";
      if (predicate === "amd64") image.Architecture = "arm64";
      if (predicate === "repositoryDigest") image.RepoDigests = [];
      if (predicate === "postgresVersion") image.Config.Env = ["PG_VERSION=18.5"];
      return JSON.stringify(rows);
    });
    await expect(prepareChatRemoteHost(f)).rejects.toThrow("owned-linux-amd64-postgres-image-unqualified");
    expect(await f.receipt()).toMatchObject({ qualificationStage: "postgres-image-validate", evaluationAdmitted: false, imageChecks: { [predicate]: false } });
  });
  it("does not change historical/other profiles or require IMDS for their discovery", async () => {
    const f = await fixture(); f.executions[0]!.profile.id = "runner-codex-subscription";
    expect(selectsRemoteChat(f.executions)).toBe(false); expect(await prepareChatRemoteHost(f)).toBeUndefined(); expect(f.fetch).not.toHaveBeenCalled(); expect(f.docker).not.toHaveBeenCalled();
  });
});